The John F Kennedy Commemorative 40% Silver Coin and Stamp Set features a coin with a denomination of 50 cents, made of silver and from the United States. This set pays tribute to the late President with both a coin and stamp, both sourced from the United States and graded as ungraded and uncertified. The year of issue for the coin is 1968, making it a valuable collector's item for those interested in US coins and history.